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| Criterion |  Growth Funnel Analysis |  Engineering Goal Question Metric |  Product Discovery Fake Door Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 h | 90-180 min | 1-5 Tage | 30-60 min |
Participantsdifferent | 1-5 | 3-6 | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Funnel report, Drop-off analysis, Optimization hypotheses | GQM Table, Metric Profiles | Click Data, Interest Signal, Learning Decision | Completed Experiment Canvas, Success Metric |
Tagsno overlap | AnalyticsConversionGrowth | MetricsMeasurementEngineeringAlignment | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |